Sabertooth, Mutant Monster

Haste
Slaughter — Whenever a creature your opponent controls dies, put a +1/+1 counter on Sabertooth.
If Sabertooth were to die, instead, put him third
from the top of your library.
"It'll take more than that to stop me, little piggies.
Shall I prove it? Shall I huff and puff and blow your
house down? " - Sabertooth